ASTM D2061 Fig.19 Test Fixture

Description

ASTM D2061 – Standard Test Methods for Strength Tests for Zippers

 

ASTM D2061 covers the determination of the strengths for zipper and zipper parts. All methods are not suitable for use with all kinds of zipper.

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ASTM D2061 / RESISTANCE TO PULL-OFF OF SLIDER PULL

This test method covers the determination of resistance to pull-off of the pull in a pull-and-slider zipper assembly, the pull being at right angles to the top plane

of the slider.

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ASTM D2061 / Summary of Test Method

A special fixture as shown in Fig. 19 is used with a tensile testing machine to apply a load through the pull to the slider.

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Significance and Use

Resistance to Pull-Off of Slider Pull—This test method may be used to determine slider pull strength, which measures the resistance of the pull or pull

assembly, either or both, to rupture, deformation or separation when a stress is perpendicularly applied through the pull during operation of the zipper in the

end-product.

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ASTM D2061 / Apparatus

Testing Machine

Slider Pull Fixture,  as illustrated in Fig. 19, to hold the slider body.

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Test Specimen

The specimen shall consist of a complete pull-andslider assembly.

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Procedure

Secure the slider pull fixture in the upper clamp of the testing machine.

Place the slider body horizontally on the fixture, with the pull projecting vertically downward, so that both the bail and pull are clear and unrestricted as shown

in Fig. 19. Position the trunnions midway in the length of the bails which are of the elongated type.

Hook the other part of the fixture into the pull, and secure it in the bottom clamp of the testing machine.

Apply the load required by the applicable specification.

*** Before conducting ASTM D2061 , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.

 

***PARSROS  offers several types of grips and fixtures which will enable you to perform a variety of tests

that are accurate and repeatable.